The causal revolution is not just about AI; it's about rethinking how we understand the world.

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.

最好的装置艺术让你意识到自己的存在。